Advertisements
Advertisements
प्रश्न
Garima observed that when she left her tightly capped bottle full of water in the open sunlight, tiny bubbles were formed all around inside the bottle. Help Garima to know why it so happened?
Advertisements
उत्तर
We know that air is present in water in the form of oxygen. Due to heating from the sunlight, the air that was dissolved in water started escaping. This escape of air resulted in tiny bubbles formed all around inside the water filled bottle.
APPEARS IN
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Water vapours : Explain their role in modifying the earth’s climate.
What do you observe when Calcium is heated and then tested with moist blue and red litmus – paper?
Classify Carbon dioxide. Also give a balanced equation to prepare it.
Give reason:
Aquatic animals and plants are able to survive in the matter.
Give reason:
When water is heated, we see bubbles rising up.
Name the following:
The product formed when phosphorus burns in oxygen.
Aerated water contains
Write the reaction of carbon dioxide with lime water.
Observe the picture given in figure carefully and answer the following questions.
- What is covering the nose and mouth of the police man?
- Why is he putting a cover on his nose?
- Can you comment on air quality of the place shown in the figure?
Observe the picture given in Fig. carefully and answer the following questions.
Can you comment on the air quality of the place shown in Fig?
